import pygame
import sys
import random

class Bird(object):
    def __init__(self):
        self.birdRect = pygame.Rect(65, 50, 50, 50)
        self.birdStatus = [pygame.image.load("bird.png"),
                           pygame.image.load("bird2.png"),
                           pygame.image.load("bird3.png")]
        self.status = 0
        self.birdX = 120
        self.birdY = 350
        self.jump = False
        self.jumpSpeed = 10
        self.gravity = 5
        self.dead = False

    def birdUpdate(self):
        if self.jump:
            self.jumpSpeed -= 1
            self.birdY -= self.jumpSpeed
        else:
            self.gravity += 0.2
            self.birdY += self.gravity
        self.birdRect[1] = self.birdY

        def updatePipeline(self):
            self.wallx -= 5
            if self.wallx < -80:
                global score
                score+=1
                self.wallx = 400


class Pipeline(object):
    def __init__(self):
        self.wallx = 400;
        self.pipeUp = pygame.image.load("pipe1.png")
        self.pipeDown = pygame.image.load("pipe2.png")
    def updatePipeline(self):
        self.wallx -= 5
        if self.wallx < -80:
            global score
            score += 1
            self.wallx = 400

def createMap():
    screen.fill((255, 255, 255))
    screen.blit(background,(0,0))

    screen.blit(Pipeline.pipeUp,(Pipeline.wallx,-300))
    screen.blit(Pipeline.pipeDown,(Pipeline.wallx,500))
    Pipeline.updatePipeline()

    if Bird.dead:
        Bird.status = 2
    elif Bird.jump:
        Bird.status = 1
    screen.blit(Bird.birdStatus[Bird.status], (Bird.birdX, Bird.birdY))
    Bird.birdUpdate()
    screen.blit(font.render('Score:'+str(score),-1,(255,255,255)),(100, 50))
    pygame.display.update()

def checkDead():
    upRect = pygame.Rect(Pipeline.wallx,-300,
                         Pipeline.pipeUp.get_width() - 10,
                         Pipeline.pipeUp.get_height())
    downRect = pygame.Rect(Pipeline.wallx, 500,
                         Pipeline.pipeDown.get_width() - 10,
                         Pipeline.pipeDown.get_height())

    if upRect.colliderect(Bird.birdRect) or downRect.colliderect(Bird.birdRect):
        Bird.dead = True

    if not 0 < Bird.birdRect[1] < height:
        Bird.dead = True
        return True
    else:
        return False

def getResult1():
    final_text1 = "Game Over"
    final_text2 = "Your final score: " + str(score)
    ft1_font = pygame.font.SysFont('Arial', 70)
    ft1_surf = ft1_font.render(final_text1, 1, (242, 3, 36))
    ft2_font = pygame.font.SysFont('Arial', 70)
    ft2_surf = ft2_font.render(final_text2, 1, (253, 177, 6))

    screen.blit(ft1_surf, [screen.get_width()/2 - ft1_surf.get_width()/2, 100])
    screen.blit(ft2_surf, [screen.get_width()/2 - ft2_surf.get_width()/2, 200])
    pygame.display.flip()

if __name__ == "__main__":
    pygame.init()
    pygame.font.init()
    font = pygame.font.SysFont(None, 50)
    size = width, height = 600, 680
    screen = pygame.display.set_mode(size)
    clock = pygame.time.Clock()
    Pipeline = Pipeline()
    Bird = Bird()
    score = 0
    while True:
        clock.tick(60)
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                sys.exit()
            if (event.type == pygame.KEYDOWN or event.type == pygame.MOUSEBUTTONDOWN) and not Bird.dead:
                Bird.jump = True
                Bird.gravity = 5
                Bird.jumpSpeed = 10

        background = pygame.image.load("map.png")
        if checkDead():
            getResult1()
        else:
            createMap()
